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LM5146QRGYRQ1 The Texas Instruments LM5146QRGYRQ1 is a 100-V synchronous buck DC/DC controller. It features a wide input voltage range and adjustable output voltage capabilities.
Mfr Part #:

LM5146QRGYRQ1

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM5146QRGYRQ1 is a 100-V synchronous buck DC/DC controller. It features a wide input voltage range and adjustable output voltage capabilities.
✓ Total Stock: 4,521 pcs
$ Price Range: $2.24

LM5146QRGYRQ1 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
4,520 pcs
On Request
4520 pcs On Request 1 On Request On Request On Request On Request On Request
Shenzhen YJT Company Limited ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM5146QRGYRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Duty Cycle
Features
Industrial Grade
Junction Temperature
Mounting Type
Output Current
Quiescent Current
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LM5146QRGYRQ1 Description

Short technical summary and product information.

The Texas Instruments LM5146QRGYRQ1 is an automotive-qualified DC/DC switching controller designed for versatile power management applications. It operates within a wide input voltage range of 5.5 V to 100 V, supporting adjustable output voltages from 0.8 V to 60 V.

 

This controller boasts a maximum output current of 20 A and a configurable switching frequency from 100 kHz to 1 MHz. Key features include adjustable current limit, adjustable soft start, frequency synchronization, and synchronous rectification. The device is optimized for CISPR 25 Class 5 requirements and offers a 0.8-V reference with ±1% feedback accuracy.

 

Packaged in a 4.5 mm x 3.5 mm VQFN-20, the LM5146QRGYRQ1 is suitable for surface mount applications. It operates across a temperature range of -40°C to 150°C, with a maximum junction temperature of 150°C. The controller is also functional safety-capable, with documentation available to aid in functional safety system design.

LM5146QRGYRQ1 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: LM5146QRGYRQ1 100-V Synchronous Buck DC/DC Controller
Subcategory: Power Management ICs

LM5146QRGYRQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM5146QRGYRQ1 Estimated Pricing

Qty Low High
1+ $2.24 $2.24

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM5146QRGYRQ1 Features

  • 100-V synchronous buck DC/DC controller.
  • Wide 5.5-V to 100-V input voltage range.
  • Adjustable output voltage from 0.8 V to 60 V.
  • 20-A maximum output current capability.
  • Functional safety-capable for automotive applications.

LM5146QRGYRQ1 Applications

  • Automotive engine control modules.
  • Industrial power supplies.
  • High-voltage power conversion.
  • DC-DC power regulation.

LM5146QRGYRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM5146QRGYRQ1?

5.5V to 100V.

What is the output voltage range?

0.8V to 60V.

What is the maximum output current?

20A.

What is the switching frequency range?

100kHz to 1MHz.

What is the operating temperature range?

-40°C to 150°C.

What package is the LM5146QRGYRQ1 available in?

VQFN-20 (4.5mm x 3.5mm).

Is the LM5146QRGYRQ1 functional safety capable?

Yes, it is functional safety-capable.

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